FAITHWAY 14-Mag GRAZING MINERAL should be fed to cattle grazing on green winter pasture such as oats, rye and wheat and to cattle on immature native spring grasses. Four (4) ounces of this product will supply 3 mg selenium. Feed FAITHWAY 14-Mag GRAZING MINERAL on a free choice basis. Do not offer any other mineral or salt during the time that you are feeding this mineral. Average consumption will be approximately 2 to 4 ounces daily depending on body weight and forage conditions.